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cwalters
 Post subject: "No Classloader Found" During JBOSS Deployment
PostPosted: Sat Nov 22, 2008 2:06 pm 
Newbie

Joined: Sat Nov 22, 2008 1:35 pm
Posts: 7
I am getting a "No Classloader Found" exception during the deployment of my Hibernate Application on a JBOSS server. I have provided the full stack trace along with the relevant Hibernate cinfiguration and mapping files below. Any help you can provide would be GREATLY appreciated as I have been stuck on this problem for several days now. Thanks

JBOSS Server Version
JBOSS 4.2.3

Hibernate version:
Hibernate 3.2.4.sp1

Name and version of the database you are using:
MySQL Server 5.0

Hibernate Mapping File: GMStore.hbm.xml
Code:
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
      "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
          "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
    <class name="com.clarksonville.gm.data.GMStore" table="GM_STORE">
        <id name="id" column="store_id">
            <generator class="native"/>
        </id>
        <property name="storeName" column="STORE_NAME"/>
        <property name="storeLocation" column="STORE_LOCATION"/>
    </class>
</hibernate-mapping>


EAR File Configuration - jboss-app.xml
Code:
<?xml version="1.0" encoding="UTF-8"?>
<jboss-app>
   <loader-repoitory>
    com.clarksonville.gm.data:loader=GGGoMobile.ear
   </loader-repoitory>     
    <module>
        <service>META-INF/hibernate-service.xml</service>
    </module>
</jboss-app>

Hibernate JMX Configuration - hibernate-service.xml
Code:
<?xml version="1.0" encoding="utf-8"?>
<server>
   <!-- ==================================================================== -->
   <!-- GGGoMobile Hibernate JMX Service                                 -->
   <!-- ==================================================================== -->
   
   <mbean code="org.jboss.hibernate.jmx.Hibernate"
           name="jboss.gggomobile:name=GGGoMobileSessionFactory">
        <attribute name="DatasourceName">java:/GGGoMobileDS</attribute>
        <attribute name="Dialect">
            org.hibernate.dialect.MySQLDialect
        </attribute>
        <attribute name="SessionFactoryName">
            java:/hibernate/GGGoMobileSessionFactory
        </attribute>
        <attribute name="CacheProviderClass">
            org.hibernate.cache.HashtableCacheProvider
        </attribute>
        <attribute name="ShowSqlEnabled">true</attribute>
   <attribute name="ScanForMappingsEnabled">true</attribute>
    </mbean>   
</server>


Hibernate Mapping File
Code:
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
      "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
          "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
    <class name="com.clarksonville.gm.data.GMStore" table="GM_STORE">
        <id name="id" column="store_id">
            <generator class="native"/>
        </id>
        <property name="storeName" column="STORE_NAME"/>
        <property name="storeLocation" column="STORE_LOCATION"/>
    </class>
</hibernate-mapping>


Full stack trace of any exception that occurs:
Code:
2008-11-20 23:54:01,292 INFO  [org.hibernate.cfg.HbmBinder] Mapping class: com.clarksonville.gm.data.GMStore -> GM_STORE
2008-11-20 23:54:01,761 DEBUG [org.jboss.hibernate.jmx.Hibernate] Starting failed jboss.gggomobile:name=GGGoMobileSessionFactory
org.hibernate.InvalidMappingException: Could not parse mapping document from file C:\JBoss\App Server\jboss-4.2.3.GA\server\default\tmp\deploy\tmp43128GGGoMobile.ear-contents\GGGoMobilePrototype-exp.war\WEB-INF\classes\com\clarksonville\gm\data\GMStore.hbm.xml
   at org.hibernate.cfg.Configuration.addFile(Configuration.java:319)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:662)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
   at org.jboss.hibernate.jmx.Hibernate.handleMappings(Hibernate.java:335)
   at org.jboss.hibernate.jmx.Hibernate.buildConfiguration(Hibernate.java:208)
   at org.jboss.hibernate.jmx.Hibernate.buildSessionFactory(Hibernate.java:228)
   at org.jboss.hibernate.jmx.Hibernate.startService(Hibernate.java:155)
   at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
   at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
   at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
   at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
   at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
   at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
   at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
   at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
   at $Proxy0.start(Unknown Source)
   at org.jboss.system.ServiceController.start(ServiceController.java:417)
   at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
   at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
   at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
   at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
   at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
   at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
   at $Proxy4.start(Unknown Source)
   at org.jboss.deployment.SARDeployer.start(SARDeployer.java:304)
   at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
   at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1015)
   at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
   at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
   at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
   at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
   at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
   at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
   at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
   at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
   at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
   at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
   at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
   at $Proxy9.deploy(Unknown Source)
   at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
   at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:610)
   at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
   at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
   at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
Caused by: org.hibernate.MappingException: class com.clarksonville.gm.data.GMStore not found while looking for property: id
   at org.hibernate.util.ReflectHelper.reflectedPropertyClass(ReflectHelper.java:74)
   at org.hibernate.mapping.SimpleValue.setTypeUsingReflection(SimpleValue.java:276)
   at org.hibernate.cfg.HbmBinder.bindSimpleId(HbmBinder.java:401)
   at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:334)
   at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:273)
   at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:144)
   at org.hibernate.cfg.Configuration.add(Configuration.java:669)
   at org.hibernate.cfg.Configuration.addFile(Configuration.java:309)
   ... 57 more
Caused by: java.lang.ClassNotFoundException: No ClassLoaders found for: com.clarksonville.gm.data.GMStore
   at org.jboss.mx.loading.LoadMgr3.beginLoadTask(LoadMgr3.java:212)
   at org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:521)
   at org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:415)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
   at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
   at java.lang.Class.forName0(Native Method)
   at java.lang.Class.forName(Class.java:169)
   at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:100)
   at org.hibernate.util.ReflectHelper.reflectedPropertyClass(ReflectHelper.java:70)
   ... 64 more
2008-11-20 23:54:01,761 WARN  [org.jboss.system.ServiceController] Problem starting service jboss.gggomobile:name=GGGoMobileSessionFactory
org.hibernate.InvalidMappingException: Could not parse mapping document from file C:\JBoss\App Server\jboss-4.2.3.GA\server\default\tmp\deploy\tmp43128GGGoMobile.ear-contents\GGGoMobilePrototype-exp.war\WEB-INF\classes\com\clarksonville\gm\data\GMStore.hbm.xml
   at org.hibernate.cfg.Configuration.addFile(Configuration.java:319)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:662)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
   at org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
   at org.jboss.hibernate.jmx.Hibernate.handleMappings(Hibernate.java:335)
   at org.jboss.hibernate.jmx.Hibernate.buildConfiguration(Hibernate.java:208)
   at org.jboss.hibernate.jmx.Hibernate.buildSessionFactory(Hibernate.java:228)
   at org.jboss.hibernate.jmx.Hibernate.startService(Hibernate.java:155)
   at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
   at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
   at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
   at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
   at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
   at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
   at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
   at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
   at $Proxy0.start(Unknown Source)
   at org.jboss.system.ServiceController.start(ServiceController.java:417)
   at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
   at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
   at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
   at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
   at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
   at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
   at $Proxy4.start(Unknown Source)
   at org.jboss.deployment.SARDeployer.start(SARDeployer.java:304)
   at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
   at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1015)
   at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
   at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
   at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
   at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
   at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
   at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
   at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
   at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
   at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
   at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
   at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
   at $Proxy9.deploy(Unknown Source)
   at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
   at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:610)
   at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
   at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
   at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
Caused by: org.hibernate.MappingException: class com.clarksonville.gm.data.GMStore not found while looking for property: id
   at org.hibernate.util.ReflectHelper.reflectedPropertyClass(ReflectHelper.java:74)
   at org.hibernate.mapping.SimpleValue.setTypeUsingReflection(SimpleValue.java:276)
   at org.hibernate.cfg.HbmBinder.bindSimpleId(HbmBinder.java:401)
   at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:334)
   at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:273)
   at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:144)
   at org.hibernate.cfg.Configuration.add(Configuration.java:669)
   at org.hibernate.cfg.Configuration.addFile(Configuration.java:309)
   ... 57 more
Caused by: java.lang.ClassNotFoundException: No ClassLoaders found for: com.clarksonville.gm.data.GMStore
   at org.jboss.mx.loading.LoadMgr3.beginLoadTask(LoadMgr3.java:212)
   at org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:521)
   at org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:415)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
   at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
   at java.lang.Class.forName0(Native Method)
   at java.lang.Class.forName(Class.java:169)
   at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:100)
   at org.hibernate.util.ReflectHelper.reflectedPropertyClass(ReflectHelper.java:70)
   ... 64 more
2008-11-20 23:54:02,308 DEBUG [org.jboss.deployment.MainDeployer] End deployment start on package: hibernate-service.xml
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